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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Unit tests for the html_writer class.
 *
 * @package   core
 * @category  phpunit
 * @copyright 2010 Tim Hunt
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

global $CFG;
require_once($CFG->libdir . '/outputcomponents.php');

/**
 * Unit tests for the html_writer class.
 *
 * @copyright 2010 Tim Hunt
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class core_html_writer_testcase extends basic_testcase {

public function test_start_tag() {
        $this->assertSame('<div>', html_writer::start_tag('div'));
    }

public function test_start_tag_with_attr() {
        $this->assertSame('<div class="frog">',
            html_writer::start_tag('div', array('class' => 'frog')));
    }

public function test_start_tag_with_attrs() {
        $this->assertSame('<div class="frog" id="mydiv">',
            html_writer::start_tag('div', array('class' => 'frog', 'id' => 'mydiv')));
    }

public function test_end_tag() {
        $this->assertSame('</div>', html_writer::end_tag('div'));
    }

public function test_empty_tag() {
        $this->assertSame('<br />', html_writer::empty_tag('br'));
    }

public function test_empty_tag_with_attrs() {
        $this->assertSame('<input type="submit" value="frog" />',
            html_writer::empty_tag('input', array('type' => 'submit', 'value' => 'frog')));
    }

public function test_nonempty_tag_with_content() {
        $this->assertSame('<div>Hello world!</div>',
            html_writer::nonempty_tag('div', 'Hello world!'));
    }

public function test_nonempty_tag_empty() {
        $this->assertSame('',
            html_writer::nonempty_tag('div', ''));
    }

public function test_nonempty_tag_null() {
        $this->assertSame('',
            html_writer::nonempty_tag('div', null));
    }

public function test_nonempty_tag_zero() {
        $this->assertSame('<div class="score">0</div>',
            html_writer::nonempty_tag('div', 0, array('class' => 'score')));
    }

public function test_nonempty_tag_zero_string() {
        $this->assertSame('<div class="score">0</div>',
            html_writer::nonempty_tag('div', '0', array('class' => 'score')));
    }

public function test_div() {
        // All options.
        $this->assertSame('<div class="frog" id="kermit">ribbit</div>',
                html_writer::div('ribbit', 'frog', array('id' => 'kermit')));
        // Combine class from attributes and $class.
        $this->assertSame('<div class="amphibian frog">ribbit</div>',
                html_writer::div('ribbit', 'frog', array('class' => 'amphibian')));
        // Class only.
        $this->assertSame('<div class="frog">ribbit</div>',
                html_writer::div('ribbit', 'frog'));
        // Attributes only.
        $this->assertSame('<div id="kermit">ribbit</div>',
                html_writer::div('ribbit', '', array('id' => 'kermit')));
        // No options.
        $this->assertSame('<div>ribbit</div>',
                html_writer::div('ribbit'));
    }

public function test_start_div() {
        // All options.
        $this->assertSame('<div class="frog" id="kermit">',
                html_writer::start_div('frog', array('id' => 'kermit')));
        // Combine class from attributes and $class.
        $this->assertSame('<div class="amphibian frog">',
                html_writer::start_div('frog', array('class' => 'amphibian')));
        // Class only.
        $this->assertSame('<div class="frog">',
                html_writer::start_div('frog'));
        // Attributes only.
        $this->assertSame('<div id="kermit">',
                html_writer::start_div('', array('id' => 'kermit')));
        // No options.
        $this->assertSame('<div>',
                html_writer::start_div());
    }

public function test_end_div() {
        $this->assertSame('</div>', html_writer::end_div());
    }

public function test_span() {
        // All options.
        $this->assertSame('<span class="frog" id="kermit">ribbit</span>',
                html_writer::span('ribbit', 'frog', array('id' => 'kermit')));
        // Combine class from attributes and $class.
        $this->assertSame('<span class="amphibian frog">ribbit</span>',
                html_writer::span('ribbit', 'frog', array('class' => 'amphibian')));
        // Class only.
        $this->assertSame('<span class="frog">ribbit</span>',
                html_writer::span('ribbit', 'frog'));
        // Attributes only.
        $this->assertSame('<span id="kermit">ribbit</span>',
                html_writer::span('ribbit', '', array('id' => 'kermit')));
        // No options.
        $this->assertSame('<span>ribbit</span>',
                html_writer::span('ribbit'));
    }

public function test_start_span() {
        // All options.
        $this->assertSame('<span class="frog" id="kermit">',
                html_writer::start_span('frog', array('id' => 'kermit')));
        // Combine class from attributes and $class.
        $this->assertSame('<span class="amphibian frog">',
                html_writer::start_span('frog', array('class' => 'amphibian')));
        // Class only.
        $this->assertSame('<span class="frog">',
                html_writer::start_span('frog'));
        // Attributes only.
        $this->assertSame('<span id="kermit">',
                html_writer::start_span('', array('id' => 'kermit')));
        // No options.
        $this->assertSame('<span>',
                html_writer::start_span());
    }

public function test_end_span() {
        $this->assertSame('</span>', html_writer::end_span());
    }

public function test_table() {
        $row = new html_table_row();

// The attribute will get overwritten by the ID.
        $row->id = 'Bob';
        $row->attributes['id'] = 'will get overwritten';

// The data-name will be present in the output.
        $row->attributes['data-name'] = 'Fred';
        $row->class = 'this is a table row';

$cell = new html_table_cell();

// The attribute will get overwritten by the ID.
        $cell->id = 'Jeremy';
        $cell->attributes['id'] = 'will get overwritten';

// The data-name will be present in the output.
        $cell->attributes['data-name'] = 'John';
        $cell->class = 'this is a table cell';

$row->cells[] = $cell;

$table = new html_table();
        // The attribute will get overwritten by the ID.
        $table->id = 'Jeffrey';
        $table->attributes['id'] = 'will get overwritten';

// The data-name will be present in the output.
        $table->attributes['data-name'] = 'Colin';
        // The attribute will get overwritten by the ID above.
        $table->data[] = $row;

// Specify a caption to be output.
        $table->caption = "A table of meaningless data.";

$output = html_writer::table($table);

$expected = <<<EOF
<table class="generaltable" id="Jeffrey" data-name="Colin">
<caption>A table of meaningless data.</caption><tbody><tr class="lastrow" id="Bob" data-name="Fred">
<td class="cell c0 lastcol" id="Jeremy" data-name="John" style=""></td>
</tr>
</tbody>
</table>

EOF;
        $this->assertSame($expected, $output);
    }

public function test_table_hidden_caption() {

$table = new html_table();
        $table->id = "whodat";
        $table->data = array(
            array('fred', 'MDK'),
            array('bob',  'Burgers'),
            array('dave', 'Competitiveness')
        );
        $table->caption = "Who even knows?";
        $table->captionhide = true;

$output = html_writer::table($table);
        $expected = <<<EOF
<table class="generaltable" id="whodat">
<caption class="accesshide">Who even knows?</caption><tbody><tr class="">
<td class="cell c0" style="">fred</td>
<td class="cell c1 lastcol" style="">MDK</td>
</tr>
<tr class="">
<td class="cell c0" style="">bob</td>
<td class="cell c1 lastcol" style="">Burgers</td>
</tr>
<tr class="lastrow">
<td class="cell c0" style="">dave</td>
<td class="cell c1 lastcol" style="">Competitiveness</td>
</tr>
</tbody>
</table>

EOF;
        $this->assertSame($expected, $output);
    }
}